#ifndef FUNCTIONS_HPP
#define FUNCTIONS_HPP

double ackley(std::vector<double> x);
double geem(double x1, double x2);
double goldstein_price(double x1, double x2);
double himmelblau(double x1, double x2);
double rastrigin(std::vector<double> x);
double rosenbrock(double x1, double x2);

#endif